From cd2d1fc4e8b114f8526b0ce61cfd5cfce8eacac6 Mon Sep 17 00:00:00 2001 From: Florian Westphal Date: Wed, 15 Mar 2023 13:57:38 +0100 Subject: meta: don't crash if meta key isn't known If older nft version is used for dumping, 'key' might be outside of the range of known templates. Signed-off-by: Florian Westphal --- src/netlink_delinearize.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'src/netlink_delinearize.c') diff --git a/src/netlink_delinearize.c b/src/netlink_delinearize.c index 60350cd6..d28b545e 100644 --- a/src/netlink_delinearize.c +++ b/src/netlink_delinearize.c @@ -920,7 +920,9 @@ static void netlink_parse_meta_stmt(struct netlink_parse_ctx *ctx, key = nftnl_expr_get_u32(nle, NFTNL_EXPR_META_KEY); stmt = meta_stmt_alloc(loc, key, expr); - expr_set_type(expr, stmt->meta.tmpl->dtype, stmt->meta.tmpl->byteorder); + + if (stmt->meta.tmpl) + expr_set_type(expr, stmt->meta.tmpl->dtype, stmt->meta.tmpl->byteorder); ctx->stmt = stmt; } -- cgit v1.2.3